Transfer between Accounts Issue?

I tried to move funds from a personal brokerage account, to my Roth IRA. Both are hosted by Fidelity. I received an error, but not additional information.

https://preview.redd.it/2z4zipo3gdze1.png?width=885&format=png&auto=webp&s=c02da6575f6a072bc1de70b8d8a7e561ad141c5f